* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#ifndef _NAND_H_
#define _NAND_H_
+#include <config.h>
+
+/*
+ * All boards using a given driver must convert to self-init
+ * at the same time, so do it here. When all drivers are
+ * converted, this will go away.
+ */
+#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#else
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)\
+ || defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#endif
+
extern void nand_init(void);
-#include <linux/mtd/compat.h>
+#include <linux/compat.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
+#ifdef CONFIG_SYS_NAND_SELF_INIT
+void board_nand_init(void);
+int nand_register(int devnum);
+#else
extern int board_nand_init(struct nand_chip *nand);
+#endif
typedef struct mtd_info nand_info_t;
static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
- return info->read(info, ofs, *len, (size_t *)len, buf);
+ return mtd_read(info, ofs, *len, (size_t *)len, buf);
}
static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
{
- return info->write(info, ofs, *len, (size_t *)len, buf);
+ return mtd_write(info, ofs, *len, (size_t *)len, buf);
}
static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
{
- return info->block_isbad(info, ofs);
+ return mtd_block_isbad(info, ofs);
}
static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
instr.len = size;
instr.callback = 0;
- return info->erase(info, &instr);
+ return mtd_erase(info, &instr);
}
/* Don't include skipped bad blocks in size to be erased */
int spread;
+ /* maximum size that actual may be in order to not exceed the buf */
+ loff_t lim;
};
typedef struct nand_erase_options nand_erase_options_t;
int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer);
+ size_t *actual, loff_t lim, u_char *buffer);
#define WITH_YAFFS_OOB (1 << 0) /* whether write with yaffs format. This flag
* is a 'mode' meaning it cannot be mixed with
#define WITH_DROP_FFS (1 << 1) /* drop trailing all-0xff pages */
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer, int flags);
+ size_t *actual, loff_t lim, u_char *buffer, int flags);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
+int nand_torture(nand_info_t *nand, loff_t offset);
#define NAND_LOCK_STATUS_TIGHT 0x01
-#define NAND_LOCK_STATUS_LOCK 0x02
#define NAND_LOCK_STATUS_UNLOCK 0x04
-int nand_lock( nand_info_t *meminfo, int tight );
-int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
+int nand_lock(nand_info_t *meminfo, int tight);
+int nand_unlock(nand_info_t *meminfo, loff_t start, size_t length,
+ int allexcept);
int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst);
void nand_deselect(void);
-void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len);
-void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len);
-
#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
void board_nand_select_device(struct nand_chip *nand, int chip);
#endif